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In the recent years, NASA’s Mars Exploration Program

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Director
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In the recent years, NASA’s Mars Exploration Program  [#permalink]

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New post 03 Feb 2020, 21:24
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  15% (low)

Question Stats:

71% (00:59) correct 29% (01:14) wrong based on 66 sessions

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In the recent years, NASA’s Mars Exploration Program has evolved from establishing whether water on Mars exists and identifying whether rocks on Mars have the right ingredients to host life.

A) whether water on Mars exists and identifying
B) if on Mars water exists or not and identifying
C) whether water exists on Mars to identifying
D) if water existed on Mars to identifying
E) existence of water on Mars to identification of
Manager
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Re: In the recent years, NASA’s Mars Exploration Program  [#permalink]

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New post 04 Feb 2020, 02:39
Raxit85 wrote:
In the recent years, NASA’s Mars Exploration Program has evolved from establishing whether water on Mars exists and identifying whether rocks on Mars have the right ingredients to host life.


Idiom : from X to Y
"If" is used for conditional statements - if X, then Y

A) whether water on Mars exists and identifying
- "from X and Y" - incorrect
- wrong

B) if on Mars water exists or not and identifying
- "if" used for conditional statements. For statements denoting an optional case - "whether" should be used
- Wrong

C) whether water exists on Mars to identifying
- use of "whether" - correct
- "from X to Y" used correctly
- Correct

D) if water existed on Mars to identifying
- use of "if" - incorrect
- "existed" changes the meaning.
-wrong

E) existence of water on Mars to identification of
- "establishing" is not parallel to "identification"
- "verb-ing of noun" is parallel to "noun"
- wrong

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Re: In the recent years, NASA’s Mars Exploration Program   [#permalink] 04 Feb 2020, 02:39
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In the recent years, NASA’s Mars Exploration Program

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